402999104080

素因数分解:

$2^4\times 5^1\times {\mathrm{239}}^1\times {\mathrm{21077359}}^1$

素因数の和:21077611

約数の個数: 40

約数和(自身を含む): 940893350400

約数和(自身を除く): 537894246320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 239, 478, 956, 1195, 1912, 2390, 3824, 4780, 9560, 19120, 21077359, 42154718, 84309436, 105386795, 168618872, 210773590, 337237744, 421547180, 843094360, 1686188720, 5037488801, 10074977602, 20149955204, 25187444005, 40299910408, 50374888010, 80599820816, 100749776020, 201499552040, 402999104080]

約数ペア:

[(1, 402999104080), (2, 201499552040), (4, 100749776020), (5, 80599820816), (8, 50374888010), (10, 40299910408), (16, 25187444005), (20, 20149955204), (40, 10074977602), (80, 5037488801), (239, 1686188720), (478, 843094360), (956, 421547180), (1195, 337237744), (1912, 210773590), (2390, 168618872), (3824, 105386795), (4780, 84309436), (9560, 42154718), (19120, 21077359)]